Specifications:
The document provides technical specifications for pneumatic cylinders and toggle clamps. The models listed include 641-3, 641-4, and 641-5, each with varying dimensions and capacities.

Key Parameters:
- Exerting Force (F1): Ranges from 1500 N to 7500 N depending on the model.
- Holding Capacity (F3): Ranges from 3700 N to 18450 N.
- Applied Force (Fi): Ranges from 300 N to 1100 N.
- Air Consumption (Vn): Varies from 0.25 dm³ to 2 dm³ per double stroke at 6 BAR.
- Weight: Ranges from 1370 grams to 4280 grams.

Dimensions:
The document lists detailed dimensions for each model, including measurements for various parts such as A, A2, B, B2, C, D, E, E2, E3, F, F2, G, H, J, K, L, M, N, P, and piston diameter.

Design and Features:
- The pneumatic cylinders are described as double acting, magnetic, and cushioning.
- The body mounting base is horizontal, casting, and tied behind.
- The document also mentions pneumatic push-pull type toggle clamps.

Applications:
These components are likely used in industrial settings where precise control of force and movement is required.